1、LCD DISPLAY: The battery indicator adopts a clear LCD display screen, which has stable performance and can display battery capacity, voltage, and temperature values. It can be switched through buttons. 2、BUTTON AND ALARM: This digital display battery indicator has switching function button, which can view the battery capacity or real time voltage. With alarm design, it will flash when the battery capacity is low. 3、BACKLIGHT SCREEN: This battery capacity voltage tester adopts a waterproof screen protector design, with bright backlight, making it easy for you to read the results on the monitor from different angles. 4、APPLICABLE BATTERY: This battery power tester is suitable for ternary lithium battery, acidic battery, polymer lithium ion battery, 3‑15S lithium ion battery, water battery, and other types to meet your different needs. 5、WIDE APPLICATION: The working voltage is 10‑100V (12V, 24V, 36V, 48V, 60V, 72V, 96V), suitable for testing the battery voltage and capacity of electric motorcycles, cars, ships, RVs, yachts, and other vehicles.